At what distance from the Sun is the intensity of sunlight four times the value at the Earth? (The average Earth–Sun separation is 1.496 * 10^11 m.)

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At what distance from the Sun is the intensity of sunlight four times the value at the Earth? (The average Earth–Sun separation is 1.496 image 1011 m.)
 m

asked Mar 27, 2012 in Physics by Joey33 ~Expert~ (1,216 points)
    

1 Answer

+3 votes
 
Best answer

1/(n^2) = 4  (Solve for n)

n^2 = 1/4

n = sqrt(1/4)

After getting the value for n, Multiply the value with the average Earth-Sun seperation (1.496 x 10^11 m)

n x 1.496 x 10^11 = Answer

 

answered Apr 1, 2012 by Aaron Lee ~Rookie~ (129 points)
selected Apr 1, 2012 by Joey33

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